Electric welding tongs cable fixing structure
Patent Information
- Application Number
- CN202521771076.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-20
- Publication Date
- 2026-08-21
- Estimated Expiration
- 2035-08-20
AI Technical Summary
[0004]本实用新型的主要目的在于解决现有技术中，电焊钳与电缆线的连接结构存在诸多不足：一方面，连接部位的防护性较差，电缆线频繁弯折易导致连接部位磨损，且受到拉力时接口处受力负荷大，易出现松动；另一方面，电缆线与电焊钳内部导电部件的连接稳定性不足，易因接触不良导致接口发热，影响电流传输的稳定性，存在较大安全隐患等问题
[0013] This utility model's protective sleeve adopts a segmented design, fully wrapping the outside of the connection part. The flexible connection protective sleeve is made of rubber material that is resistant to high and low temperatures and anti-aging, and can flexibly deform with the bending of the cable, effectively avoiding wear of the connection part due to frequent bending. At the same time, it can buffer the tensile force and reduce the stress load at the interface. Through multiple fixing structures such as the internal threaded connector and connector, the anti-reverse bolt pressing the wire core and the cable copper core, and the tapered pressing block and anti-reverse pin fixing the cable copper core, it ensures that the cable and the welding clamp body are firmly connected and have good contact, effectively preventing interface overheating caused by poor contact and ensuring stable current transmission.
Smart Images
Figure CN224669135U_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of welding clamp cable connection technology, and in particular to a welding clamp cable fixing structure. Background Technology
[0002] Welding pliers are a crucial tool in welding operations, and the stability of their connection with the cable directly affects welding quality and operational safety. Currently, the traditional connection structure between welding pliers and cables has several shortcomings: Firstly, the connection points have poor protection; frequent bending of the cable easily leads to wear at the connection points, and the interface experiences high stress under tension, making it prone to loosening. Secondly, the connection stability between the cable and the internal conductive components of the welding pliers is insufficient, easily leading to overheating at the interface due to poor contact, affecting the stability of current transmission, and even posing safety hazards.
[0003] Therefore, a welding clamp cable fixing structure is provided to solve the above problems. Utility Model Content
[0004] The main purpose of this utility model is to solve the many shortcomings of the existing connection structure between welding clamps and cables: on the one hand, the protection of the connection part is poor, the frequent bending of the cable is prone to wear of the connection part, and the interface is subjected to a large stress load when subjected to tension, which is prone to loosening; on the other hand, the connection stability between the cable and the internal conductive components of the welding clamp is insufficient, and poor contact can easily cause the interface to heat up, affecting the stability of current transmission and posing a great safety hazard.
[0005] This utility model provides a welding clamp cable fixing structure, the welding clamp cable fixing structure includes: The welding clamp body includes a first clamp body and a second clamp body, which are rotatably connected. The right end of the second clamp body has a connecting groove and a connector. One end of the connector is detachably connected to the connecting groove, and the other end of the connector has a press-fit block mounting groove for mounting a tapered mounting block. The copper core of the cable at the end of the cable is inserted into the tapered mounting block, which is installed in the press-fit block mounting groove. A pressing nut is provided on the outside of the connector with the press-fit block mounting groove. A rigid protective sleeve is provided on the outside of the second clamp body and the connector. A flexible connecting protective sleeve is provided on the end of the rigid protective sleeve away from the first clamp body. The flexible connecting protective sleeve has a wire hole for the cable to pass through.
[0006] Furthermore, it also includes a spring, one end of which is detachably connected to the second clamp body, and the other end of which is detachably connected to the first clamp body.
[0007] Furthermore, the rigid protective sleeve has an outer sleeve fixing screw hole and also includes an outer sleeve fixing screw, which is used to fix the rigid protective shell to the second clamp body through the outer sleeve fixing screw hole.
[0008] Furthermore, the connecting groove is provided with a locking screw hole, and a locking screw is provided in the locking screw hole. The locking screw is used to assist in fixing the connecting parts.
[0009] Furthermore, the outer sidewalls of the connectors are all provided with threads.
[0010] Furthermore, the inner wall of the connecting groove is provided with threads that mate with the outer wall of the connector, and the inner diameter of the connecting groove is the same as the outer diameter of the connector at the connection point with the connecting groove.
[0011] Furthermore, the rigid protective sleeve is in the shape of a hollow cylinder, and a spring mounting groove is provided on the side of the rigid protective sleeve near the spring. A flexible protective sleeve is detachably connected to the other end of the rigid protective sleeve.
[0012] Furthermore, a first insulating sleeve is fitted onto the first clamp body, and a second insulating sleeve is fitted onto the second clamp body.
[0013] This utility model's protective sleeve adopts a segmented design, fully wrapping the outside of the connection part. The flexible connection protective sleeve is made of rubber material that is resistant to high and low temperatures and anti-aging, and can flexibly deform with the bending of the cable, effectively avoiding wear of the connection part due to frequent bending. At the same time, it can buffer the tensile force and reduce the stress load at the interface. Through multiple fixing structures such as the internal threaded connector and connector, the anti-reverse bolt pressing the wire core and the cable copper core, and the tapered pressing block and anti-reverse pin fixing the cable copper core, it ensures that the cable and the welding clamp body are firmly connected and have good contact, effectively preventing interface overheating caused by poor contact and ensuring stable current transmission. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of this utility model.
[0015] Figure 2 This is a schematic diagram of the structure of the first clamp and the second clamp provided by this utility model.
[0016] Figure 3 This is a structural schematic diagram of the rigid protective sleeve provided by this utility model from one perspective.
[0017] Figure 4 This is a structural schematic diagram of the flexible connection protective sleeve provided by this utility model.
[0018] Figure 5 This is a structural schematic diagram of the rigid protective sleeve provided by this utility model from another perspective.
[0019] Figure 6This is a schematic diagram of the tapered press block provided by this utility model. Detailed Implementation
[0020] This utility model provides a cable fixing structure for a welding clamp, comprising: a welding clamp body, the welding clamp body including a first clamp body and a second clamp body, the first clamp body and the second clamp body being rotatably connected, a connecting groove being provided at the right end of the second clamp body, and a connecting member, one end of the connecting member being detachably connected to the connecting groove, the other end of the connecting member having a pressing block mounting groove for mounting a tapered mounting block, the copper core of the cable end being inserted into the tapered mounting block, the tapered mounting block being installed in the pressing block mounting groove, a pressing nut being provided on the outer side of the connecting member with the pressing block mounting groove, and the outer side of the second clamp body and the connecting member... A rigid protective sleeve is provided, and a flexible protective sleeve is provided at the end of the rigid protective sleeve away from the first clamp body. The flexible protective sleeve has a wire hole for the cable to pass through. The main purpose of this utility model is to solve the many shortcomings of the connection structure between the welding clamp and the cable in the prior art: on the one hand, the protection of the connection part is poor, the frequent bending of the cable is prone to wear of the connection part, and the interface is subjected to a large stress load when subjected to tension, which is prone to loosening; on the other hand, the connection stability between the cable and the conductive parts inside the welding clamp is insufficient, and poor contact can easily cause the interface to heat up, affecting the stability of current transmission and posing a significant safety hazard.
[0021] The terms "first," "second," "third," "fourth," etc. (if present) in the specification, claims, and accompanying drawings of this utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" or "having" and any variations thereof are intended to cover a non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.
[0022] Example Reference manual attached Figure 1-6 This embodiment provides a welding clamp cable fixing structure, which includes: The welding clamp body 1 includes a first clamp body 101 and a second clamp body 102, which are rotatably connected. The right end of the second clamp body 102 is provided with a connecting groove 3. It also includes a connector 4, one end of which is detachably connected to the connecting groove 3. The other end of the connector is provided with a pressing block mounting groove for installing a tapered mounting block 5. The cable 7 includes a cable copper core 701 and an insulating sheath 702. The insulating sheath is sleeved on the outside of the cable copper core 701. The end of the cable copper core 701 is inserted into the tapered mounting block. The tapered mounting block 5 is installed in the pressing block mounting groove. The connector is provided with a pressing nut on the outside of the pressing block mounting groove. The second clamp body and the connector are provided with a rigid protective sleeve on the outside. The end of the rigid protective sleeve away from the first clamp body is provided with a flexible connection protective sleeve. The flexible connection protective sleeve is provided with a wire hole for the cable to pass through.
[0023] It also includes a spring 103, one end of which is detachably connected to the second clamp body, and the other end of which is detachably connected to the first clamp body.
[0024] The rigid protective sleeve 2 has an outer sleeve fixing screw hole 202 and also includes an outer sleeve fixing screw, which is used to fix the rigid protective sleeve to the second clamp body through the outer sleeve fixing screw hole.
[0025] The connecting groove has a locking screw hole, and a locking screw is installed in the locking screw hole. The locking screw is used to help fix the connecting parts.
[0026] The outer side wall of the connector is threaded.
[0027] The inner wall of the connecting groove is threaded to the outer wall of the connecting piece, and the inner diameter of the connecting groove is the same as the outer diameter of the connecting piece at the connection point with the connecting groove.
[0028] The rigid protective sleeve 8 is in the shape of a hollow cylinder. A spring mounting groove 201 is provided on the side of the rigid protective sleeve near the spring. The other end of the rigid protective sleeve is detachably connected to a flexible protective sleeve 8.
[0029] The first clamp body is fitted with a first insulating sleeve 104, and the second clamp body is fitted with a second insulating sleeve 105.
[0030] During installation, first pass the cable through the flexible protective sleeve and the rigid protective sleeve. Then, insert the copper core of the cable into the tapered mounting block, insert the tapered mounting block into the connector, and tighten the compression nut to fix the connector and the cable. Next, insert the connector into the connecting groove and fix the connector in the connecting groove with the anti-reverse screw. Then, put the rigid protective sleeve on the second clamp body and fix the rigid protective sleeve on the second clamp body with the outer sheath fixing screw to complete the cable replacement or installation.
[0031] The above-described embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. A cable fixing structure for welding clamps, characterized in that, The device includes a welding clamp body, comprising a first clamp body and a second clamp body, which are rotatably connected. A connecting groove is provided at the right end of the second clamp body. The device also includes a connector, one end of which is detachably connected to the connecting groove. The other end of the connector has a press-fit block mounting groove for mounting a tapered mounting block. The copper core of the cable at the cable end is inserted into the tapered mounting block, which is then mounted within the press-fit block mounting groove. A pressing nut is provided on the outer side of the connector with the press-fit block mounting groove. A rigid protective sleeve is provided on the outer side of the second clamp body and the connector. A flexible protective sleeve is snapped onto the end of the rigid protective sleeve away from the first clamp body. The flexible protective sleeve has a wire hole for the cable to pass through.
2. The welding clamp cable fixing structure according to claim 1, characterized in that, It also includes a spring, one end of which is detachably connected to the second clamp body, and the other end of which is detachably connected to the first clamp body.
3. The welding clamp cable fixing structure according to claim 2, characterized in that, The rigid protective sleeve has an outer sleeve fixing screw hole and also includes an outer sleeve fixing screw, which is used to fix the rigid protective shell to the second clamp body through the outer sleeve fixing screw hole.
4. The welding clamp cable fixing structure according to claim 3, characterized in that, The connecting groove is provided with a locking screw hole, and a locking screw is installed in the locking screw hole. The locking screw is used to help fix the connecting parts.
5. The welding clamp cable fixing structure according to claim 4, characterized in that, The outer side wall of the connector is provided with threads.
6. The welding clamp cable fixing structure according to claim 5, characterized in that, The inner wall of the connecting groove is threaded to the outer wall of the connecting piece, and the inner diameter of the connecting groove is the same as the outer diameter of the connecting piece at the connection point with the connecting groove.
7. The welding clamp cable fixing structure according to claim 6, characterized in that, The rigid protective sleeve is in the shape of a hollow cylinder. A spring mounting groove is provided on the side of the rigid protective sleeve near the spring. A flexible protective sleeve is detachably connected to the other end of the rigid protective sleeve.
8. The welding clamp cable fixing structure according to claim 7, characterized in that, The first clamp body is fitted with a first insulating sleeve, and the second clamp body is fitted with a second insulating sleeve.